Add lint check for class autoloading PSR compliance

.github/workflows/lint.yml

@@ -36,3 +36,7 @@ jobs:
       - name: "Lint PHP files"
         run: |
           parallel-lint . --checkstyle --exclude vendor --show-deprecated | cs2pr
+
+      - name: "Validate conforming class autoloading"
+        run: |
+          composer dump-autoload --no-dev --optimize --strict-psr --strict-ambiguous

CHANGELOG.md

@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Added
+- Add lint check for class autoloading PSR compliance ([#845](https://github.com/jsonrainbow/json-schema/pull/845))
 
 ## [6.5.2] - 2025-09-09
 ### Fixed

tests/Tool/Validator/RelativeReferenceValidatorTest.php

@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace Tool\Validator;
+namespace JsonSchema\Tests\Tool\Validator;
 
 use JsonSchema\Tool\Validator\RelativeReferenceValidator;
 use PHPUnit\Framework\TestCase;

tests/Tool/Validator/UriValidatorTest.php

@@ -2,7 +2,7 @@
 
 declare(strict_types=1);
 
-namespace Tool\Validator;
+namespace JsonSchema\Tests\Tool\Validator;
 
 use JsonSchema\Tool\Validator\UriValidator;
 use PHPUnit\Framework\TestCase;